#!/usr/bin/python
import RPi.GPIO as GPIO ## Import GPIO library
import time ## Import 'time' library. Allows us to use 'sleep'


GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD) ## Use board pin numbering
GPIO.setup(7, GPIO.OUT) ## Setup GPIO Pin 7 to OUT

##Define a function named Blink()
def Blink():
	while (1):## Run loop numTimes
		GPIO.output(7,True)## Switch on pin 7
		time.sleep(0.5)## Wait
		GPIO.output(7,False)## Switch off pin 7
		time.sleep(0.5)## Wait
	print "Done" ## When loop is complete, print "Done"
	GPIO.cleanup()

# ## Ask user for total number of blinks and length of each blink
# iterations = raw_input("Enter total number of times to blink: ")
# speed = raw_input("Enter length of each blink(seconds): ")

## Start Blink() function. 
Blink()
